Glenn Grindstaff
CIK 1804609 · CHIEF HUMAN RESOURCES OFFICER · last filed 2026-08-04
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
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Disclosed Exposure
$2.31M
Companies
1
Total Filings
28
Lifetime Open-Market Net
-$426.8K
Holdings By Company
Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| OSIS | CHIEF HUMAN RESOURCES OFFICER | 9,932 | $232.61 | $2.31M | -$426.8K | 26 | 2026-08-04 |
Recent Filings · Page 2 of 3
28 filingsInsider activity across all companies, newest first. Form 4 rows are post-trade confirmations (buys, sells, grants, exercises). Notice (144) rows are pre-trade notices of intent to sell restricted or control stock under Rule 144 — they may not all execute. Compare adjacent dates to see which notices became actual sales.
| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2023-09-13 | OSIS | Notice (144) | −1,373 | -$165.6K | EDGAR |
| 2023-09-07 | OSIS | Mixed | +953 | -$197.0K | EDGAR |
| 2023-08-01 | OSIS | Grant (A) | +1,275 | $150.0K | EDGAR |
| 2023-06-28 | OSIS | Tax (F) | −61 | -$7.1K | EDGAR |
| 2022-11-08 | OSIS | Sell (S) | −802 | -$68.0K | EDGAR |
| 2022-08-26 | OSIS | Mixed | +974 | -$48.5K | EDGAR |
| 2022-07-08 | OSIS | Grant (A) | +1,611 | $0 | EDGAR |
| 2022-07-05 | OSIS | Grant (A) | +19 | $1.4K | EDGAR |
| 2022-06-28 | OSIS | Tax (F) | −63 | -$5.3K | EDGAR |
| 2022-05-31 | OSIS | Sell (S) | −47 | -$3.9K | EDGAR |
Form 4 codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.